Harlow Wood Orthopaedic Hospital, Nr. Mansfield, Nottinghamshire, England.
Reprint requests to G. M. N. Holloway, F.R.C.S., Princess Alexandra Hospital, RAF Wroughton, Swindon Wilts, England.
* 32 Klada Str., Athens 410, Greece.
** Squadron Leader, Royal Air Force.
† Professor of Orthopaedics and Accident Surgery, Queen's Medical Centre, Nottingham.
Received: July 21, 1980.